%0 Journal Article %T Physical and electrochemical behaviors of directly polymerized sulfonated poly(arylene ether ketone sulfone)s proton exchange membranes with different backbone structures %A Wang, Zhe %A Ni, Hongzhe %A Zhao, Chengji %A Zhang, Mingyao %A Na, Hui %J Journal of Applied Polymer Science %V 112 %N 2 %P 858-866 %@ 0021-8995 %D 2009-01-15 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve